Download - RRC Access
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RRC access, failures
HSDPA failures due to radiolink
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originated reason. Covers both interactive, background and streaming traffic classes HSDPA releases due to mobility. From
user viewoint this is also failure. Covers both interactive,background and streaming traffic
classes
!he number of "#DCH setu failures due to admission control for interactive class connections.
Scramb
ling code is used to make differntiation for cells and Channalization code is used to make differentiation of
service between MS in the same physical channel.
1. Usage
Channelization
Uplink: Separation of physical data control channels from same terminal
!ownlink: Separation of downlink
Scrambling
Uplink: Separation of terminal
!ownlink: Separation of sectors "Cells#
$. %umber of codes
HSDPA releases due to mobility. From user viewoint this is also failure. Covers both interactive,background and streaming
traffic classes
Channelization
number of codes under one scrambling code & Spreading factorSF = chip rate / symbol rate
High data rates ? low SF code
Low data rates ? high SF code
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